using System;
using System.Collections.Generic;
using System.Text;

namespace DataAccessor
{
    public class QueryInterfaceFactory
    {
		private static QueryInterfaceFactory factory = new QueryInterfaceFactory();
		public static QueryInterfaceFactory Instance()
		{
			return factory;
		}
		private QueryInterfaceFactory()
		{ }
        public IMaskQuery CreateMaskQuery()
        {
            return new MaskInfoQuery();
        }
    }
}
